Cottonwood Canyon
- Alpine County, California
- Big Cottonwood Canyon
- Cottonwood Canyon (British Columbia)
- Cottonwood Canyon (Fraser River)
- Cottonwood Canyon (Kane County, Utah)
- Cottonwood Canyon State Park
- Inyo County, California
- Kern County, California
- Lassen County, California
- Little Cottonwood Canyon
- Los Angeles County, California
- Lyon County, Nevada
- Mason Valley (California)
- Maxwell, Nebraska
- Mono County, California
- Riverside County, California
- San Bernardino County, California
- San Diego County, California
- San Jacinto Mountains
- Santa Barbara County, California
- Sedona, Arizona
- Temescal Mountains
- Yolo County, California